v2.5.4

What's changed

Added

• add model gemini-2.5-flash-preview-04-17-thinking
• add model gemini-2.5-pro-preview-05-06
• add model gemini-2.0-flash-preview-image-generation
• add Schema properties
• add property UrlRetrievalMetadata to Candidate

Changed

• rename type VideoMetadata to VideoFileMetadata

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Full Changelog: v2.5.3...v2.5.4